Add Python3.4 to Travis build matrix
Add Python3.4 to Travis build matrix

pheanex/xpython,smalley/python,rootulp/xpython,pombredanne/xpython,behrtam/xpython,ZacharyRSmith/xpython,jmluy/xpython,smalley/python,behrtam/xpython,N-Parsons/exercism-python,exercism/xpython,outkaj/xpython,wobh/xpython,rootulp/xpython,mweb/python,wobh/xpython,oalbe/xpython,jmluy/xpython,mweb/python,de2Zotjes/xpython,ZacharyRSmith/xpython,exercism/python,outkaj/xpython,exercism/python,pheanex/xpython,de2Zotjes/xpython,Peque/xpython,N-Parsons/exercism-python,exercism/xpython,orozcoadrian/xpython,Peque/xpython,pombredanne/xpython,oalbe/xpython,orozcoadrian/xpython